In 1915, she joined the Entente powers and declared war on Austria-Hungary, and later Germany in the subsequent year.

France was one of the Triple Entente powers in World War I, fighting alongside the United Kingdom, Russia, and their allies against the Central Powers.

Under the secret Treaty of London signed in April 1915, Triple Entente powers promised Italy that it would gain Vlorë ( Valona ) and nearby lands and a protectorate over Albania in exchange for entering the war against Austria-Hungary.

In 1914, Japan joined the Entente powers during World War I, and found it possible to capture German colonies in China and Micronesia.

After more than four years of trench warfare in western Europe, and 20 million dead, those powers who had formed the Triple Entente ( France, Britain, and Russia, later replaced by the United States and joined by Italy ) emerged victorious over the Central Powers ( Germany, Austria-Hungary, and the Ottoman Empire ).

He also was keenly aware that a maritime country like Greece could not, and should not, antagonise the Entente, the dominant naval powers in the Mediterranean.

Despite this the dismissal of Constantine was not unanimously supported by the Entente powers ; while France and Britain did nothing to stop Jonnart's actions, the Russian Provisional Government officially protested to Paris.

Finally, the Entente powers intervened and asked Venizelos to back down, allowing Alexander to retain the crown.

During World War I Plekhanov rallied to the cause of the Entente powers against Germany and he returned home to Russia following the 1917 February Revolution.

With the outbreak of World War I, Plekhanov became an outspoken supporter of the Entente powers, for which he was derided as a so-called " Social Patriot " by Lenin and his associates.

That region, the Poporanist lobby argued, was being actively oppressed by the Russian Empire with the acquiescence of other Entente powers.

Bitter fighting of paramilitary groups around Arnoldstein and Ferlach alarmed the Entente powers.

In the face of the general enthusiasm for the war among the population, which believed in an attack by the Entente powers, many SPD deputies worried they might lose many of their voters with their consistent pacifism.

After the February Revolution in Russia and the toppling of the last Emperor of Russia, Nicholas II, on 15 March 1917, the Russian Provisional Government, since summer led by Alexander Kerensky, continued the war on the side of the Entente powers.

This ultra-nationalist tradition influenced French politics up to 1921 and was one of the major reasons France went to great pains to woo Russia, resulting in the Franco-Russian Alliance of 1894 and, after more accords, the Triple Entente of the three great Allied powers of World War I: France, Great Britain, and Russia.

Monument to the Czechoslovak Legions, Palacky square, Prague. The Czechoslovak Legions ( Československé legie in Czech, Československé légie in Slovak, traditionally called Czech Legion in English ) were volunteer armed forces composed predominantly of Czechs and Slovaks fighting together with the Entente powers during World War I.

Although Norway remained officially neutral in World War I, the country was unofficially allied with the Entente powers.

It found relative support from the new monarch, but his policies were rejected by the PNL cabinet of Ion I. C. Brătianu — although the latter force supported the Entente, it decided not to enter the war until the Entente powers were to recognize Romanian rule in Transylvania, Bukovina, and the Banat, as well as provide the country with military assistance.

Eventually, after the Bucharest agreement was sealed, recognizing Romanian demands in front of the Entente, Brătianu approved of entering the conflict and agreed to declare war on the Central powers.

The government took steps toward normalizing foreign relations with the Triple Entente powers in an effort to gain back some of the land that Hungary was set to lose in the post-war negotiations.

There are unfortunately no public documents from Entente powers why the border agreement was " ignored ".

With the outbreak of World War I, his writings at the newspaper brought him into conflict with other intellectuals who supported the Triple Entente powers.

He also took steps towards normalizing foreign relations with the Triple Entente powers in an effort to gain back some of the land that Hungary was set to lose in the post-war negotiations.

*: King Vajiravudh on the 22 of July 1917 decided to declare war on the Central Powers and joined the Entente Powers in their fight on the Western Front.

The Provisional government that replaced the Tsar ( initially presided by prince Georgy Lvov, later by Alexander Kerensky ), however, decided to continue the war on the Entente side.

It was decided that for the next year, simultaneous offensives would be mounted by the Russians in the east, the Italians ( who had by now joined the Entente ) in the Alps and the Anglo-French on the Western Front, thereby assailing the Central Powers from all sides.

In the Treaty of Sèvres, the Entente Powers decided to cede the city to the Democratic Republic of Armenia.

In 1918, the German commander in Argentina, Baron von Luxburg, decided to manipulate Argentina into joining World War I on its side by sinking an Argentine ship and blaming the act on the Entente.

Nonetheless, the cost to Germany of containing the Anglo-French attacks had been high, and given that the material preponderance of the Entente and its allies could only be expected to increase in 1917, Hindenburg and Ludendorff decided on a defensive strategy on the Western Front for that year.

Historians more sympathetic to the Entente, such as British historian John Röhl, sometimes rather ambitiously interpret these words of Admiral Müller ( an advocate of launching a war soon ) as saying that " nothing " was decided for 1912-13, but that war was decided on for the summer of 1914.

* 1916 – Romania declares war on Austria-Hungary, joining the Entente in World War I

On one side were Germany, Austria-Hungary, the Ottoman Empire and Bulgaria ( the Central Powers / Triple Alliance ), while on the other side stood Serbia and the Triple Entente – the loose coalition of France, Britain and Russia, which were joined by Italy in 1915, Romania in 1916 and by the United States in 1917.

With Woodrow Wilson's support, Polish independence was officially endorsed in June 1918 by the Entente Powers, on whose fronts sizable armies of Polish volunteers had been mobilized and fought.

A treaty with Japan in 1902 meant that ships could be withdrawn from East Asia, while the Entente with France in 1904 meant that Britain could concentrate on guarding Channel waters, including the French coast, while France would protect British interests in the Mediterranean.

On 28 June 1919, 44 states signed the Covenant, including 31 states which had taken part in the war on the side of the Triple Entente or joined it during the conflict.

In 1914 Russia entered World War I in response to Austria-Hungary's declaration of war on Russia's ally Serbia, and fought across multiple fronts while isolated from its Triple Entente allies.

In 1916 Romania entered World War I on the Entente side, after the Entente agreed to recognize Romanian rights over Transylvania, which was part of Austria-Hungary until that time.

After 1916, when the Kingdom of Romania entered World War I on the Entente side, Ion Antonescu acted as chief of staff for General Constantin Prezan.

The average American's sympathies, on the other hand, if the feelings of the vast majority of the nation had been correctly interpreted, was with the Allied ( Entente ) Powers.

For four years, under the command of King Albert I of Belgium, the Belgian army guarded the important sector of the Allied left wing between Nieuwpoort, on the coast, and Ypres with the help of the forces of the Entente but did not participate in any of the major Allied offensives, deemed unnecessarily expensive and unnecessary in men by the King of the Belgians.

However, in 1915, Italy signed several secret treaties committing to enter the war on the side of the Triple Entente.

China had entered World War I on the side of the Allied Triple Entente in 1917 with the condition that all German spheres of influence, such as Shandong, would be returned to China ; although in that year, 140, 000 Chinese labourers ( as a part of the British army, the Chinese Labour Corps ) were sent to France.

The United States entered the war on the side of the Entente Powers in 1917 and by mid-1918 had an army of around half a million men, this rising to a million by the time the Armistice was signed on November 11, 1918.

More so than in previous wars, military strategy in World War I was directed by the grand strategy of a coalition of nations ; the Entente on one side and the Central Powers on the other.